<?php
/*
 * CKFinder
 * ========
 * http://cksource.com/ckfinder
 * Copyright (C) 2007-2015, CKSource - Frederico Knabben. All rights reserved.
 *
 * The software, this file and its contents are subject to the CKFinder
 * License. Please read the license.txt file before using, installing, copying,
 * modifying or distribute this file or part of its contents. The contents of
 * this file is part of the Source Code of CKFinder.
 */

define( 'CKFINDER_DEFAULT_BASEPATH', '/ckfinder/' ) ;

class CKFinder
{
    public $BasePath ;
    public $Width ;
    public $Height ;
    public $SelectFunction ;
    public $SelectFunctionData ;
    public $SelectThumbnailFunction ;
    public $SelectThumbnailFunctionData ;
    public $DisableThumbnailSelection = false ;
    public $ClassName = '' ;
    public $Id = '' ;
    public $StartupPath ;
    public $ResourceType ;
    public $RememberLastFolder = true ;
    public $StartupFolderExpanded = false ;

    // PHP 5 Constructor
    function __construct( $basePath = CKFINDER_DEFAULT_BASEPATH, $width = '100%', $height = 400, $selectFunction = null )
    {
        $this->BasePath            = $basePath ;
        $this->Width            = $width ;
        $this->Height            = $height ;
        $this->SelectFunction    = $selectFunction ;
        $this->SelectThumbnailFunction    = $selectFunction ;
    }

    // Renders CKFinder in the current page.
    public function Create()
    {
        echo $this->CreateHtml() ;
    }

    // Gets the HTML needed to create a CKFinder instance.
    public function CreateHtml()
    {
        $className = $this->ClassName ;
        if ( !empty( $className ) )
            $className = ' class="' . $className . '"' ;

        $id = $this->Id ;
        if ( !empty( $id ) )
            $id = ' id="' . $id . '"' ;

        return '<iframe src="' . $this->_BuildUrl() . '" width="' . $this->Width . '" ' .
            'height="' . $this->Height . '"' . $className . $id . ' frameborder="0" scrolling="no"></iframe>' ;
    }

    private function _BuildUrl( $url = "" )
    {
        if ( !$url )
            $url = $this->BasePath ;

        $qs = "" ;

        if ( empty( $url ) )
            $url = CKFINDER_DEFAULT_BASEPATH ;

        if ( $url[ strlen( $url ) - 1 ] != '/' )
            $url = $url . '/' ;

        $url .= 'ckfinder.html' ;

        if ( !empty( $this->SelectFunction ) )
            $qs .= '?action=js&amp;func=' . $this->SelectFunction ;

        if ( !empty( $this->SelectFunctionData ) )
        {
            $qs .= $qs ? "&amp;" : "?" ;
            $qs .= 'data=' . rawurlencode($this->SelectFunctionData) ;
        }

        if ( $this->DisableThumbnailSelection )
        {
            $qs .= $qs ? "&amp;" : "?" ;
            $qs .= "dts=1" ;
        }
        else if ( !empty( $this->SelectThumbnailFunction ) || !empty( $this->SelectFunction ) )
        {
            $qs .= $qs ? "&amp;" : "?" ;
            $qs .= 'thumbFunc=' . ( !empty( $this->SelectThumbnailFunction ) ? $this->SelectThumbnailFunction : $this->SelectFunction ) ;

            if ( !empty( $this->SelectThumbnailFunctionData ) )
                $qs .= '&amp;tdata=' . rawurlencode( $this->SelectThumbnailFunctionData ) ;
            else if ( empty( $this->SelectThumbnailFunction ) && !empty( $this->SelectFunctionData ) )
                $qs .= '&amp;tdata=' . rawurlencode( $this->SelectFunctionData ) ;
        }

        if ( !empty( $this->StartupPath ) )
        {
            $qs .= ( $qs ? "&amp;" : "?" ) ;
            $qs .= "start=" . urlencode( $this->StartupPath . ( $this->StartupFolderExpanded ? ':1' : ':0' ) ) ;
        }

        if ( !empty( $this->ResourceType ) )
        {
            $qs .= ( $qs ? "&amp;" : "?" ) ;
            $qs .= "type=" . urlencode( $this->ResourceType ) ;
        }

        if ( !$this->RememberLastFolder )
        {
            $qs .= ( $qs ? "&amp;" : "?" ) ;
            $qs .= "rlf=0" ;
        }

        if ( !empty( $this->Id ) )
        {
            $qs .= ( $qs ? "&amp;" : "?" ) ;
            $qs .= "id=" . urlencode( $this->Id ) ;
        }

        return $url . $qs ;
    }

    // Static "Create".
    public static function CreateStatic( $basePath = CKFINDER_DEFAULT_BASEPATH, $width = '100%', $height = 400, $selectFunction = null )
    {
        $finder = new CKFinder( $basePath, $width, $height, $selectFunction ) ;
        $finder->Create() ;
    }

    // Static "SetupFCKeditor".
    public static function SetupFCKeditor( &$editorObj, $basePath = CKFINDER_DEFAULT_BASEPATH, $imageType = null, $flashType = null )
    {
        if ( empty( $basePath ) )
            $basePath = CKFINDER_DEFAULT_BASEPATH ;

        $ckfinder = new CKFinder( $basePath ) ;
        $ckfinder->SetupFCKeditorObject( $editorObj, $imageType, $flashType );
    }

    // Non-static method of attaching CKFinder to FCKeditor
    public function SetupFCKeditorObject( &$editorObj, $imageType = null, $flashType = null )
    {
        $url = $this->BasePath ;

        // If it is a path relative to the current page.
        if ( isset($url[0]) && $url[0] != '/' && strpos($url, "://") === false )
        {
            $url = substr( $_SERVER[ 'REQUEST_URI' ], 0, strrpos( $_SERVER[ 'REQUEST_URI' ], '/' ) + 1 ) . $url ;
        }

        $url = $this->_BuildUrl( $url ) ;
        $qs = ( strpos($url, "?") !== false ) ? "&" : "?" ;

        if ( $this->Width !== '100%' && is_numeric( str_ireplace( "px", "", $this->Width ) ) )
        {
            $width = intval( $this->Width );
            $editorObj->Config['LinkBrowserWindowWidth'] = $width ;
            $editorObj->Config['ImageBrowserWindowWidth'] = $width ;
            $editorObj->Config['FlashBrowserWindowWidth'] = $width ;
        }
        if ( $this->Height !== 400 && is_numeric( str_ireplace( "px", "", $this->Height ) ) )
        {
            $height = intval( $this->Height );
            $editorObj->Config['LinkBrowserWindowHeight'] = $height ;
            $editorObj->Config['ImageBrowserWindowHeight'] = $height ;
            $editorObj->Config['FlashBrowserWindowHeight'] = $height ;
        }

        $editorObj->Config['LinkBrowserURL'] = $url ;
        $editorObj->Config['ImageBrowserURL'] = $url . $qs . 'type=' . ( empty( $imageType ) ? 'Images' : $imageType ) ;
        $editorObj->Config['FlashBrowserURL'] = $url . $qs . 'type=' . ( empty( $flashType ) ? 'Flash' : $flashType ) ;

        $dir = substr( $url, 0, strrpos( $url, "/" ) + 1 ) ;
        $editorObj->Config['LinkUploadURL'] = $dir . urlencode( 'core/connector/php/connector.php?command=QuickUpload&type=Files' ) ;
        $editorObj->Config['ImageUploadURL'] = $dir . urlencode( 'core/connector/php/connector.php?command=QuickUpload&type=') . ( empty( $imageType ) ? 'Images' : $imageType ) ;
        $editorObj->Config['FlashUploadURL'] = $dir . urlencode( 'core/connector/php/connector.php?command=QuickUpload&type=') . ( empty( $flashType ) ? 'Flash' : $flashType ) ;
    }

    // Static "SetupCKEditor".
    public static function SetupCKEditor( &$editorObj, $basePath = CKFINDER_DEFAULT_BASEPATH, $imageType = null, $flashType = null )
    {
        if ( empty( $basePath ) )
            $basePath = CKFINDER_DEFAULT_BASEPATH ;

        $ckfinder = new CKFinder( $basePath ) ;
        $ckfinder->SetupCKEditorObject( $editorObj, $imageType, $flashType );
    }

    // Non-static method of attaching CKFinder to CKEditor
    public function SetupCKEditorObject( &$editorObj, $imageType = null, $flashType = null )
    {
        $url = $this->BasePath ;

        // If it is a path relative to the current page.
        if ( isset($url[0]) && $url[0] != '/' && strpos($url, "://") === false )
        {
            $url = substr( $_SERVER[ 'REQUEST_URI' ], 0, strrpos( $_SERVER[ 'REQUEST_URI' ], '/' ) + 1 ) . $url ;
        }

        $url = $this->_BuildUrl( $url ) ;
        $qs = ( strpos($url, "?") !== false ) ? "&" : "?" ;

        if ( $this->Width !== '100%' && is_numeric( str_ireplace( "px", "", $this->Width ) ) )
        {
            $width = intval( $this->Width );
            $editorObj->config['filebrowserWindowWidth'] = $width ;
        }
        if ( $this->Height !== 400 && is_numeric( str_ireplace( "px", "", $this->Height ) ) )
        {
            $height = intval( $this->Height );
            $editorObj->config['filebrowserWindowHeight'] = $height ;
        }

        $editorObj->config['filebrowserBrowseUrl'] = $url ;
        $editorObj->config['filebrowserImageBrowseUrl'] = $url . $qs . 'type=' . ( empty( $imageType ) ? 'Images' : $imageType ) ;
        $editorObj->config['filebrowserFlashBrowseUrl'] = $url . $qs . 'type=' . ( empty( $flashType ) ? 'Flash' : $flashType ) ;

        $dir = substr( $url, 0, strrpos( $url, "/" ) + 1 ) ;
        $editorObj->config['filebrowserUploadUrl'] = $dir . 'core/connector/php/connector.php?command=QuickUpload&type=Files' ;
        $editorObj->config['filebrowserImageUploadUrl'] = $dir . 'core/connector/php/connector.php?command=QuickUpload&type=' . ( empty( $imageType ) ? 'Images' : $imageType ) ;
        $editorObj->config['filebrowserFlashUploadUrl'] = $dir . 'core/connector/php/connector.php?command=QuickUpload&type=' . ( empty( $flashType ) ? 'Flash' : $flashType ) ;
    }
}
